package com.y.demo.config;

import org.springframework.lang.Nullable;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class MyInterceptor implements HandlerInterceptor {
	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws IOException {
		response.addHeader("Access-Control-Allow-Credentials", "true");
		response.addHeader("Access-Control-Allow-Origin", "*");
		response.addHeader("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT");
		response.addHeader("Access-Control-Allow-Headers", "Content-Type,X-CAF-Authorization-Token,sessionToken,X-TOKEN");
		//System.out.println(request.getSession().getAttribute("user"));
		if (request.getSession().getAttribute("user")!=null){
			return true;
		}else {
			response.setStatus(401);
			return false;
		}

	}

	@Override
	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, @Nullable ModelAndView modelAndView) throws Exception {
	}

	@Override
	public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, @Nullable Exception ex) throws Exception {
	}

}
